题目内容

At the ______________ level of the organization, functional managers (e.g., marketing managers, finance managers, manufacturing managers, and human resource managers) focus on monitoring and controlling operational-level activities and providing information to higher levels of the organization.

A. operational
B. managerial
C. organizational
D. executive

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All of the following are examples of infrastructure components except

A. hardware
B. system software
C. data centers
D. applications

Big Data is characterized by all of the following except ______________.

A. verifiability
B. velocity
C. variety
D. volume

In an RDBMS, an entity is represented as a(n) ______________.

A. attribute
B. table
C. row
D. association

Which of the following is the correct order of phases in the systems development life cycle?

A. analysis, planning, design, implementation
B. analysis, design, planning, implementation
C. planning, analysis, design, implementation
D. design, analysis, planning, implementation

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